package com.wyg.epredisstarter.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.data.redis.RedisProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisClientConfiguration;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * Description: 注入redisTemplate
 * 注入过程：RedisProperties ---> JedisConnectionConfiguration
 * ---> JedisConnectionConfiguration.createJedisConnectionFactory
 * ---> RedisConnectionFactory/JedisConnectionFactory --> RedisTemplate
 *
 * @author WangYongGan
 * @since 2022/5/19 20:35
 */
@Configuration
public class RedisInject {
    @Autowired
    RedisConfigProperties redisConfigProperties;

    /**
     * Description: redis配置注入
     *
     * @param
     * @return redisProperties
     * @author WangYongGan
     **/
    @Primary
    @Bean
    public RedisProperties redisProperties() {
        RedisProperties redisProperties = new RedisProperties();
        redisProperties.setHost(redisConfigProperties.getHost());
        redisProperties.setPort(redisConfigProperties.getPort());
        redisProperties.setDatabase(redisConfigProperties.getDatabase());
        return redisProperties;
    }


    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {

        RedisTemplate<String, Object> template = new RedisTemplate<>();
        // 配置连接工厂
        template.setConnectionFactory(factory);
        //使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）
        //所有的object都能传进
        Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<>(Object.class);

        ObjectMapper mapper = new ObjectMapper();
        // 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和public
        mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        // 指定序列化输入的类型，类必须是非final修饰的，final修饰的类，比如String,Integer等会跑出异常
        mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        serializer.setObjectMapper(mapper);

        // 值采用json序列化
        template.setValueSerializer(serializer);
        //使用StringRedisSerializer来序列化和反序列化redis的key值
        template.setKeySerializer(new StringRedisSerializer());

        // 设置hash key 和value序列化模式
        template.setHashKeySerializer(new StringRedisSerializer());
        template.setHashValueSerializer(serializer);
        template.afterPropertiesSet();

        return template;
    }


}
